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Compilier optimization
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| using System; | |
| using System.Diagnostics; | |
| namespace Optimization | |
| { | |
| public class Program | |
| { | |
| public static void Main(string[] args) | |
| { | |
| var instance = new Program(); | |
| int loop = 1000 * 1000 * 1000; | |
| instance.Idle(loop); | |
| instance.Direct(loop); | |
| instance.Delegate(loop); | |
| } | |
| public void TargetMethod() | |
| { | |
| } | |
| private void Idle(int loop) | |
| { | |
| Stopwatch stopwatch = Stopwatch.StartNew(); | |
| for (int i = 0; i < loop; i++) | |
| { | |
| } | |
| stopwatch.Stop(); | |
| Console.WriteLine(stopwatch.Elapsed); | |
| } | |
| private void Direct(int loop) | |
| { | |
| Stopwatch stopwatch = Stopwatch.StartNew(); | |
| for (int i = 0; i < loop; i++) | |
| { | |
| TargetMethod(); | |
| } | |
| stopwatch.Stop(); | |
| Console.WriteLine(stopwatch.Elapsed); | |
| } | |
| private void Delegate(int loop) | |
| { | |
| Action del = TargetMethod; | |
| Stopwatch stopwatch = Stopwatch.StartNew(); | |
| for (int i = 0; i < loop; i++) | |
| { | |
| del(); | |
| } | |
| stopwatch.Stop(); | |
| Console.WriteLine(stopwatch.Elapsed); | |
| } | |
| } | |
| } |
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